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2023名校版高考英语阅读理解精读附答案Alargebodyofevidenceshowsthatexercisestrengthensourbrains.Instudiesactivepeoplegenerallyhavemoregraymatter.Graymatterismadeupofthebrainsessentialworkingneurons(神经元).Fitpeoplealsotendtohavehealthierwhitematterwhichsupportsandconnectsneurons.Partlyasaconsequenceoftheseexerciseisstronglylinkedwithlowerrisksofdementia(痴呆)andothermemoryproblemswithage.Butexercisemayincreaseexposuretoairpollutionandpreviousstudieshaveshowntheoppositeeffectsofairpollutiononthebrain.SowhathappensthenSomeresearcherslookedatthousandsofmiddle-agedadultsfromtheUKBio-bank.Theresearcherscharacterizedtheirphysicalactivitypatternsdependingontheamountofphysicalactivitycollectedfromthedevicesresearchersaskedthemtowear.Theythenevaluatedairpollutionlevelswherethepeoplelivedaskedtheparticipantstocompletebrainscansandfinallycomparedthem.Researchersfoundthatexercisewaslinkedtoexcellentbrainhealthforpeopleinareaswithlittleairpollution.Butthebeneficialassociationsalmostdisappearedforexerciserslivinginareaswithevenmoderate(中度的)airpollution.Theyhadlessgraymatterandmoreunhealthywhitematterthanpeoplelivingandexercisingawayfrompollutioneveniftheirworkoutsweresimilar.Extendingthesefindingsinafollow-upstudythesamescientistsfoundthatthemorepeopleexercisedthelesslikelytheyweretodevelopdementiaovertime—providedtheirlocalairwasclear.Whenitwasmoderatelypollutedthoughtheyhadanincreasedlong-termriskofdementiawhethertheyexercisedornot.Thesestudiesincreasetheurgencyfordevelopingmore-effectiveregulationsrelatedtoairquality.Publicpolicycouldbeusedtoaddresspeople1sexposuretoairpollutionduringexercise.Forexamplesinceagreatamountofairpollutioncomesfromtrafficpromotingrunningorbicyclingalongpathsfarfromheavytrafficmaybemorebeneficial.12WhatdoestheauthorintendtotellusinthefirstparagraphThereasonsbehinddementia.Thebenefitsofworkoutsonbrains.CTheworkingprocessofourbrains.D.Theexercisesuitableforpeoplewithdementia.WhydidtheresearchersasktheparticipantstowearthedevicesTorecordtheirdailyroutine.Tomonitorthelocalairquality.Tohelpknowtheirexercisepatterns.Towarnthemofhealthyproblems.WhatcanwelearnfromthestudiesMemoryproblemsshouldbecured.Thestructureofthebrainiscomplicated.Peoplefacemanyriskfactorsfordementia.Morerulesagainstairpollutionshouldbemadequickly.WhatcanbeasuitabletitleforthetextAirqualityhastobeimprovedurgently.Mostpeopledoexerciseinawrongway.Airpollutionmayreducebenefitsofexercise.Peoplewithdiseasesshoulddomoreexercise.BCDCOnethirdofadultsover65inAmericahaveneverusedtheInternetandhalfdonztevenhaveInternetaccessathome.InSanFrancisco“thecenteroftech”40%ofolderadultsdonothavebasicdigitalliteracyskills.Thissituationisbecomingappallingasover10000Americansturn65everysingleday.By205022%ofAmericanswillbe65orolder.Meanwhiletechnologyisdevelopingveryfast.Thismeansthatalargenumberofpeoplewillbeunabletoproficientlyuseemergenttechnology.Manypeoplebelievethatseniorsarentrequiredtoparticipateinourtechfuturebecausethey7IIberetiredandrelaxedsoon.Butthisisthefarthestthingfromthetruth.Babyboomersarecurrentlyexperiencingadifferentboom:Withmorepeoplegettingolderthaneverbeforetheirlifeexpedienciesarealsoincreasingdramatically.WithmedicaladvancementsthenumberofAmericanpeopleprojectedtoliveintotheir90shasdoubledsince
1965.HowevertheydonthavestrongfinancialoreducationalsupportThisisnotaproblem;itsacrisis.Morethanhalfofemployeesover50havebeenlaidoffinwhat7sbeingcalled〃forcedretirementAndfeworganizationsareactivelyhelpingolderemployeesmakethetransitionfromfull-timejobstopart-timeones.Forthosefortunateenoughtobeemployed3outof5olderworkersexperienceprejudice.Theeasiestsolutionistoteachdigitalliteracy.Ifbabyboomerswanttosurvivetheforthcomingretirementcrisistheyshouldgetenoughdigitalknowledgeandskillstooperatetoday7stoolsandtomorrow7splatforms.Witheverycrisiscomesanopportunity.Tutoringcustomerserviceeditingresearchbook-keepingandothervirtualassistance-basedworkopenthedoors.Butagaindigitalknowledgeisfirstrequiredtoliveinourhigh-techsocietyandgigeconomy.Sotrytogetmoreonlineandnavigatethegrowingnumberofsitesandapps.Whatdoestheunderlinedwordappalling“probablymeaninparagraph2A.Confusing.Terrible.Controllable.Inspiring.WhatproblemmaybabyboomersfaceAcrisisafterretirement.Beingknockedoutinthefuture.Failingtoreceivegoodhealthcare.Tendingtodoubletheirlifeexpediencies.WhatisthelastparagraphmainlyaboutThefeaturesofhigh-techjobs.Thewayoutforbabyboomers.Potentialindustriesinthefuture.Theimportanceofdevelopingtechnology.WhatdoestheauthoradvisebabyboomerstodoHaveagoodsenseofcrisis.Avoidretiringatanearlyage.Lookformanypart-timejobs.Improvedigitalliteracyactively.BABD。